* configure.in xmlwriter.c Makefile.am include/libxml/xmlwriter.h
  include/libxml/Makefile.am include/libxml/xmlversion.h.in:
  added the xmlWriter module contributed by Alfred Mickautsch
* include/libxml/tree.h: added room for line and extra information
* xmlreader.c python/tests/reader6.py: bugfixing some problem some
  of them introduced in September
* win32/libxml2.def.src doc/libxml2-api.xml: regenerated the API
Daniel